package cn.tedu.sp01.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.sp01.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;

@RestController
@Slf4j
public class ItemController {
    @Autowired
    private ItemService itemService;
    @Value("${server.port}")//注入配置的端口号
    private  int port;

    //获取商品列表
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        log.info("获取订单的参数列表，orderId="+orderId);

        //随机延迟
        if(Math.random()<0.9){
            //随机延迟时长[0,5000)
            int t = new Random().nextInt(5000);
            log.info("延迟"+t);
            Thread.sleep(t);
        }


         List<Item> items=itemService.getItems(orderId);
         JsonResult r =JsonResult.ok().msg("port="+port).data(items);
         return r;

    }

    //减少商品库存
   @PostMapping("/{decreaseNumber}")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items) {
       itemService.decreaseNumbers(items);
       return JsonResult.ok().msg("减少商品库存成功");
   }
}
